<template>
  <div class="search-div">
    <!-- 搜索表单 -->
    <el-form label-width="70px" size="small">
      <el-form-item label="角色名称">
        <el-input v-model="role.roleName" style="width: 120px" placeholder="角色名称"></el-input>
      </el-form-item>
      <el-row style="display:flex">
        <el-button type="primary" size="small" @click="searchSysRole">
          搜索
        </el-button>
        <el-button size="small" @click="resetData">重置</el-button>
      </el-row>
    </el-form>

    <!-- 添加按钮 -->
    <div class="tools-div">
      <el-button type="success" size="small" @click="addShow">添 加</el-button>
    </div>
    <!-- 添加角色表单对话框 -->
    <!-- 页面表单 -->
    <el-dialog v-model="dialogVisible" title="添加或修改角色" width="30%">
      <el-form label-width="120px">

        <el-form-item label="角色名称">
          <el-input v-model="role.roleName" />
        </el-form-item>
        <el-form-item label="角色编码">
          <el-input v-model="role.roleCode" />
        </el-form-item>
        <el-form-item label="描述">
          <el-input v-model="role.description" />
        </el-form-item>


        <el-form-item>
          <el-button type="primary" @click="submit">提交</el-button>
          <el-button @click="diso">取消</el-button>
        </el-form-item>
      </el-form>
    </el-dialog>
    <!-- 分配菜单的对话框 
        // tree组件添加ref属性，后期方便进行tree组件对象的获取
        -->
    <el-dialog v-model="dialogMenuVisible" title="分配菜单" width="40%">
      <el-form label-width="80px">
        <el-tree :data="sysMenuTreeList" ref="tree" show-checkbox default-expand-all :check-on-click-node="true"
          node-key="id" :props="defaultProps" />
        <el-form-item>
          <el-button type="primary" @click="doAssign">提交</el-button>
          <el-button @click="dialogMenuVisible = false">取消</el-button>
        </el-form-item>
      </el-form>
    </el-dialog>


    <!--- 角色表格数据 -->
    <el-table :data="list" style="width: 100%">
      <el-table-column prop="roleName" label="角色名称" width="120" />
      <el-table-column prop="roleCode" label="角色编码" width="120" />
      <el-table-column prop="description" label="描述" width="120" />
      <el-table-column label="操作" align="center" width="280" #default="scope">
        <el-button type="primary" size="small" @click="editShow(scope.row)">
          修改
        </el-button>
        <el-button type="danger" size="small" @click="deleteById(scope.row)">
          删除
        </el-button>
        <el-button type="warning" size="small" @click="showAssignMenu(scope.row)">
          分配菜单
        </el-button>
      </el-table-column>
    </el-table>

    <el-pagination v-model:current-page="pageParams.page" v-model:page-size="pageParams.limit"
      :page-sizes="[5, 10, 20, 50, 100]" @size-change="fetchData" @current-change="fetchData"
      layout="total, sizes, prev, pager, next" :total="total" />
  </div>

</template>

<!-- script部分修改内容 -->
<script setup>
import { ref, onMounted } from 'vue';
import { pageKywRole, addKywRole, updateKywRole, deleteKywRole ,findKywRoleMenuByRoleId,addRoleMenu} from "@/api/limits/kywRole";
import { ElMessage, ElMessageBox } from 'element-plus'
// 分页条总记录数
let total = ref(0)

// 定义表格数据模型
let list = ref([])
const defaultProps = {
  children: 'children',
  label: 'title',
}
const sysMenuTreeList = ref([])
//分页数据
const pageParamsForm = {
  page: 1, // 页码
  limit: 5, // 每页记录数
}
const pageParams = ref(pageParamsForm)     // 将pageParamsForm包装成支持响应式的对象


//定义用户数据模型
const defaultForm = {
  id: "",
  roleName: "",
  password: "",
  realName: "",
  roleCode: "",
  description: "",
}
const role = ref(defaultForm)

// 页面加载完毕以后请求后端接口获取数据
onMounted(() => {
  fetchData()
})

// 搜索按钮点击事件处理函数
const searchSysRole = () => {
  fetchData();
}

// 重置按钮点击事件处理函数
const resetData = () => {
  role.value.roleName = ""
  fetchData();
}


// 远程调用后端分页查询接口
const fetchData = async () => {
  const { data, code, message } = await pageKywRole(pageParams.value.page, pageParams.value.limit, role.value);
  list.value = data.list;
  total.value = data.total
}

//添加
// 控制对话是否展示的变量
const dialogVisible = ref(false)
const diso = () => {
  dialogVisible.value = false
  role.value = {}
}
//进入添加
const addShow = () => {
  dialogVisible.value = true
  role.value = {}

}

//提交
const submit = async () => {
  if (!role.value.id) {
    const { code } = await addKywRole(role.value);
    if (code === 200) {
      dialogVisible.value = false
      ElMessage.success('添加成功')
      role.value = {}
      fetchData()
    }
  } else {
    const { code } = await updateKywRole(role.value);
    if (code === 200) {
      dialogVisible.value = false
      ElMessage.success('修改成功')
      role.value = {}
      resetData()
    }
  }
}
//删除
const deleteById = (row) => {
  ElMessageBox.confirm('此操作将永久删除该记录, 是否继续?', 'Warning', {
    confirmButtonText: '确定',
    cancelButtonText: '取消',
    type: 'warning',
  }).then(async () => {
    const { code } = await deleteKywRole(row.id)
    if (code === 200) {
      ElMessage.success('删除成功')
      pageParams.value.page = 1
      fetchData()
    }
  })
}
//修改回显
const editShow = (row) => {
  dialogVisible.value = true
  role.value = row
  findProtitle()
}
//===============================分配菜单=========================================
const dialogMenuVisible = ref(false)
// 树对象变量
const tree = ref() 
// 默认选中的菜单数据集合
let roleId = ref()
//分配菜单按钮函数
const showAssignMenu = async row => { 
  dialogMenuVisible.value = true
  roleId = row.id
  const { data } = await findKywRoleMenuByRoleId(row.id)   // 请求后端地址获取所有的菜单数据，以及当前角色所对应的菜单数据
  sysMenuTreeList.value = data.kywMenuList
  tree.value.setCheckedKeys(data.roleMenuIds)   // 进行数据回显
}
//分配菜单提交按钮函数
const doAssign = async () => {
    const checkedNodes = tree.value.getCheckedNodes() ; // 获取选中的节点
    const checkedNodesIds = checkedNodes.map(node => {  // 获取选中的节点的id
        return {
            id: node.id,
            isHalf: 0
        }
    })
        
    // 获取半选中的节点数据，当一个节点的子节点被部分选中时，该节点会呈现出半选中的状态
    const halfCheckedNodes = tree.value.getHalfCheckedNodes() ; 
    const halfCheckedNodesIds = halfCheckedNodes.map(node => {   // 获取半选中节点的id
        return {
            id: node.id,
            isHalf: 1
        }
    })
        
    // 将选中的节点id和半选中的节点的id进行合并
    const menuIds = [...checkedNodesIds , ...halfCheckedNodesIds]  
    console.log(menuIds);

    // 构建请求数据
    const assignMenuDto = {
        roleId: roleId,
        menuIdList: menuIds
    }
 
    // 发送请求
    await addRoleMenu(assignMenuDto) ;
    ElMessage.success('操作成功')
    dialogMenuVisible.value = false

} 

</script>

<style scoped>
.search-div {
  margin-bottom: 10px;
  padding: 10px;
  border: 1px solid #ebeef5;
  border-radius: 3px;
  background-color: #fff;
}

.tools-div {
  margin: 10px 0;
  padding: 10px;
  border: 1px solid #ebeef5;
  border-radius: 3px;
  background-color: #fff;
}

.avatar-uploader .avatar {
  width: 178px;
  height: 178px;
  display: block;
}

.avatar-uploader .el-upload {
  border: 1px dashed var(--el-border-color);
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--el-transition-duration-fast);
}

.avatar-uploader .el-upload:hover {
  border-color: var(--el-color-primary);
}

.el-icon.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 178px;
  height: 178px;
  text-align: center;
}
</style>